Investigation of a 25 kV–50 Hz Railway-Substation Power Supply Based on a Back-to-Back Modular Multilevel Converter Topology

This paper presents a preliminary study of a 25 kV–50 Hz railway substation power supply system. The control of a back-to-back converter based on modular multilevel converter (MMC) technology was investigated to fit with the power quality requirements of the application. One of the main challenges i...

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主要な著者: Kevin Tournoux, Azeddine Houari, Mohamed Fouad Benkhoris, Franck Terrien, Pierre-Louis Garmier
フォーマット: 論文
言語:English
出版事項: MDPI AG 2024-03-01
シリーズ:Energies
主題:
オンライン・アクセス:https://www.mdpi.com/1996-1073/17/6/1318
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author Kevin Tournoux
Azeddine Houari
Mohamed Fouad Benkhoris
Franck Terrien
Pierre-Louis Garmier
author_facet Kevin Tournoux
Azeddine Houari
Mohamed Fouad Benkhoris
Franck Terrien
Pierre-Louis Garmier
author_sort Kevin Tournoux
collection DOAJ
description This paper presents a preliminary study of a 25 kV–50 Hz railway substation power supply system. The control of a back-to-back converter based on modular multilevel converter (MMC) technology was investigated to fit with the power quality requirements of the application. One of the main challenges is the presence of constraining load conditions, under which the train circulation variability, low-frequency harmonics and critical power transients can notably decrease the power quality and lead to instability. In order to address this, cascaded controllers based on resonant controllers are proposed to ensure the desired performance. Furthermore, balancing voltage algorithms are added to avoid stress phenomena and additional losses in the studied power conversion interface. The paper presents the design of the control stages and demonstrates the robust performance of the system using a realistic loading condition of a railway substation.
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spelling doaj.art-a8f52a9d7fd24a08b7002f2b6d51a92d2024-03-27T13:35:26ZengMDPI AGEnergies1996-10732024-03-01176131810.3390/en17061318Investigation of a 25 kV–50 Hz Railway-Substation Power Supply Based on a Back-to-Back Modular Multilevel Converter TopologyKevin Tournoux0Azeddine Houari1Mohamed Fouad Benkhoris2Franck Terrien3Pierre-Louis Garmier4Institut de Recherche en Energie Electrique de Nantes (IREENA), Nantes Université, UR 4642, 44600 Saint Nazaire, FranceInstitut de Recherche en Energie Electrique de Nantes (IREENA), Nantes Université, UR 4642, 44600 Saint Nazaire, FranceInstitut de Recherche en Energie Electrique de Nantes (IREENA), Nantes Université, UR 4642, 44600 Saint Nazaire, FranceGeneral Electric Power Conversion, 90000 Belfort, FranceGeneral Electric Power Conversion, 90000 Belfort, FranceThis paper presents a preliminary study of a 25 kV–50 Hz railway substation power supply system. The control of a back-to-back converter based on modular multilevel converter (MMC) technology was investigated to fit with the power quality requirements of the application. One of the main challenges is the presence of constraining load conditions, under which the train circulation variability, low-frequency harmonics and critical power transients can notably decrease the power quality and lead to instability. In order to address this, cascaded controllers based on resonant controllers are proposed to ensure the desired performance. Furthermore, balancing voltage algorithms are added to avoid stress phenomena and additional losses in the studied power conversion interface. The paper presents the design of the control stages and demonstrates the robust performance of the system using a realistic loading condition of a railway substation.https://www.mdpi.com/1996-1073/17/6/1318MMC convertersback-to-back converterpower qualityrailway stationharmonics
spellingShingle Kevin Tournoux
Azeddine Houari
Mohamed Fouad Benkhoris
Franck Terrien
Pierre-Louis Garmier
Investigation of a 25 kV–50 Hz Railway-Substation Power Supply Based on a Back-to-Back Modular Multilevel Converter Topology
Energies
MMC converters
back-to-back converter
power quality
railway station
harmonics
title Investigation of a 25 kV–50 Hz Railway-Substation Power Supply Based on a Back-to-Back Modular Multilevel Converter Topology
title_full Investigation of a 25 kV–50 Hz Railway-Substation Power Supply Based on a Back-to-Back Modular Multilevel Converter Topology
title_fullStr Investigation of a 25 kV–50 Hz Railway-Substation Power Supply Based on a Back-to-Back Modular Multilevel Converter Topology
title_full_unstemmed Investigation of a 25 kV–50 Hz Railway-Substation Power Supply Based on a Back-to-Back Modular Multilevel Converter Topology
title_short Investigation of a 25 kV–50 Hz Railway-Substation Power Supply Based on a Back-to-Back Modular Multilevel Converter Topology
title_sort investigation of a 25 kv 50 hz railway substation power supply based on a back to back modular multilevel converter topology
topic MMC converters
back-to-back converter
power quality
railway station
harmonics
url https://www.mdpi.com/1996-1073/17/6/1318
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